Deceleration Sensor And Speed Sensor Diagnosis System Precaution - Toyota Hilux Surf 1993 Owner's Manual

BR–84
BRAKE SYSTEM – Rear–Wheel Anti–Lock Brake System
Deceleration Sensor and Speed
Sensor Diagnosis System
PRECAUTION
• While checking the deceleration sensor and speed sen–
sor diagnosis system, the Rear–Wheel Anti–Lock Brake
System does not work and brake system works as nor–
mal brake system.
INSPECTION OF DIAGNOSIS SYSTEM
1. INSPECT BATTERY POSITIVE VOLTAGE
Inspect that the battery positive voltage is about 12 V.
2. CHECK THAT WARNING LIGHT TURNS ON
(a) Turn the ignition switch to ON.
(b) Check that the "REAR ANTI–LOCK" warning light
turns on for about 3 seconds.
If not, inspect and repair or replace the fuse, bulb and
wire harness.
(e) Check that the "REAR ANTI–LOCK" warning light
turns off.
(d) Turn the ignition switch to OFF.
3. PERFORM FOLLOWING STEPS
(a) Using SST, connect the terminal Ts to El of the data
link connector 1.
SST 09843–18020
(b) Start the engine.
(c) (2 WD model)
Check that the warning light blinks about 4 times
every 1 second after blinking 1 time in 1.5 seconds
as shown.
(d) (4 WD model)
Check that the warning light blinks about 4 times
every 1 second after blinking 2 times in 2.0 seconds
as shown.